/*-----------------------------------------------------------
* @brief Function Name : vhADC_initADC
* @brief Description : Initializes ADC
*/
void vhADC_initADC(void){
/* ADC Common initialization */
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div6; // 84MHz / prescaler(6) = 14MHz (max 30 OR 36... idk)
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitTypeDef ADC_InitStructure;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE; // Enable, because we want to measure more than 1 channel
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_RisingFalling;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 2;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADCx regular channel configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 2, ADC_SampleTime_28Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADCx DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADCx */
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void init_ADC3(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
//ADC common init
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
//ADC3 init
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = nconversions;
ADC_InitStructure.ADC_ExternalTrigConv=0x00;
ADC_Init(ADC3, &ADC_InitStructure);
// ADC3 regular configuration
ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 1, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_11, 2, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_10, 3, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_9, 4, ADC_SampleTime_3Cycles);
// Enable DMA request after last transfer
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
ADC_DMACmd(ADC3, ENABLE);
ADC_Cmd(ADC3, ENABLE);
}
static void config_driver_adc_1(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_480Cycles);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void pots_start(){
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1,ENABLE);
ADC_Cmd(ADC1,ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void Init_ADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef gpio_init;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
//------Configure PC.5 (ADC Channel15) as analog input -------------------------
gpio_init.GPIO_Pin = GPIO_Pin_5;
gpio_init.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &gpio_init);
/* ADC Common configuration *************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; /*ÔÚ¶ÀÁ¢Ä£Ê½Ï ÿ¸öADC½Ó¿Ú¶ÀÁ¢¹¤×÷*/
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel7 configuration *************************************/
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 1, ADC_SampleTime_3Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC3 DMA */
// ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
/***************************************************************************************************
* @fn ana_inputs_sample_start
*
* @brief Ò¡¸Ë¡¢²¦ÂÖ¼°µçѹ¼à²â²ÉÑù¿ªÊ¼
* @param NULL
* @return NULL
***************************************************************************************************/
void ana_inputs_sample_start(void)
{
DMA_Cmd(SKYBORNE_ADC_DMA_STREAM,DISABLE);
ADC_ClearFlag(SKYBORNE_ADC, ADC_FLAG_EOC | ADC_FLAG_STRT | ADC_FLAG_OVR);
DMA_ClearITPendingBit(SKYBORNE_ADC_DMA_STREAM, SKYBORNE_ADC_DMA_TC_FLAG);
DMA_SetCurrDataCounter(SKYBORNE_ADC_DMA_STREAM, ADC_MODULE_NUMBER);
ADC_DMARequestAfterLastTransferCmd(SKYBORNE_ADC, ENABLE);
ADC_DMACmd(SKYBORNE_ADC, ENABLE);
DMA_ITConfig(SKYBORNE_ADC_DMA_STREAM, DMA_IT_TC, ENABLE);
DMA_Cmd(SKYBORNE_ADC_DMA_STREAM, ENABLE);
ADC_SoftwareStartConv(SKYBORNE_ADC);
}
//DMA传输的ADC配置
void adc_config(void)
{
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
gpio_an_no_init(GPIOB, GPIO_Pin_0|GPIO_Pin_1);
DMA_Cmd(DMA2_Stream0, DISABLE);
DMA_DeInit(DMA2_Stream0);
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&ADC1->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (u32)adcValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 2;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; //独立模式
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles; //两个采样阶段之间的延迟5个时钟
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; //DMA失能
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; //ADCCLK=PCLK2/4=84/4=21Mhz
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; //12位模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //扫描模式
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //禁止触发检测，使用软件触发
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //右对齐
ADC_InitStructure.ADC_NbrOfConversion = 2; //规则序列中有2个转换
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_480Cycles ); //设置通道8采样顺序为1, 采样时间为480个周期
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 2, ADC_SampleTime_480Cycles ); //设置通道9采样顺序为1, 采样时间为480个周期
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
}
/**
* @brief ADC1 Channel Vbat configuration
* @note This function Configure the ADC peripheral
1) Enable peripheral clocks
2) DMA2_Stream0 channel 0 configuration
3) Configure ADC1 Channel18 (VBAT)
* @param None
* @retval None
*/
static void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
/* Enable peripheral clocks *************************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_APB2PeriphClockCmd(ADCx_CLK, ENABLE);
/* DMA2_Stream0 channel0 configuration **************************************/
DMA_DeInit(DMA2_Stream0);
DMA_InitStructure.DMA_Channel = DMA_CHANNELx;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADCx_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&uhADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA_STREAMx, &DMA_InitStructure);
/* DMA2_Stream0 enable */
DMA_Cmd(DMA_STREAMx, ENABLE);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC1 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADCx, &ADC_InitStructure);
/* Enable ADC1 DMA */
ADC_DMACmd(ADCx, ENABLE);
/* ADC1 regular channel18 (VBAT) configuration ******************************/
ADC_RegularChannelConfig(ADCx, ADC_Channel_Vbat, 1, ADC_SampleTime_15Cycles);
/* Enable VBAT channel */
ADC_VBATCmd(ENABLE);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADCx, ENABLE);
/* Enable ADC1 **************************************************************/
ADC_Cmd(ADCx, ENABLE);
}
void ADC_DMA_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable ADC3, DMA2 and GPIO clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOF, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
/* DMA2 Stream0 channel0 configuration **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_2;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC3->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 4;//--------------
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;//----------------
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Low;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* Configure ADC3 Channel12 pin as analog input ******************************/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10;//-------------
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOF, &GPIO_InitStructure);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC3 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;//------------------
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 4;
ADC_Init(ADC3, &ADC_InitStructure);
/* ADC3 regular channel12 configuration *************************************/
ADC_RegularChannelConfig(ADC3, ADC_Channel_5, 1, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_6, 2, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_7, 3, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC3, ADC_Channel_8, 4, ADC_SampleTime_3Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC3, ENABLE);
}
/*
*********************************************************************************************************
* 函 数 名: bsp_InitADC
* 功能说明: ADC初始化
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void bsp_InitADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* 使能外设时钟 */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB| RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* DMA2 Stream0 channel0 配置-------------------------------------------------- */
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&uhADCConvertedValue;;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 4;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
/* DMA2_Stream0 enable */
DMA_Cmd(DMA2_Stream0, ENABLE);
/****************************************************************************
PCLK2 = HCLK / 2
下面选择的是2分频
ADCCLK = PCLK2 /8 = HCLK / 8 = 168 / 8 = 21M
ADC采样频率： Sampling Time + Conversion Time = 480 + 12 cycles = 492cyc
Conversion Time = 21MHz / 492cyc = 42.6ksps.
*****************************************************************************/
/* ADC Common 配置 ----------------------------------------------------------*/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC1 regular channel 12 configuration ************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 4;
ADC_Init(ADC1, &ADC_InitStructure);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 5, ADC_SampleTime_15Cycles);
/* ADC1 regular channel18 (VBAT) configuration ******************************/
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_15Cycles);
/* ADC1 regular channel18 (VBAT) configuration *****************************/
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 2, ADC_SampleTime_15Cycles);
/* ADC1 regular channels 10, 11 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 3, ADC_SampleTime_15Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 4, ADC_SampleTime_15Cycles);
// /* Enable VBAT channel */
// ADC_VBATCmd(ENABLE);
//
// ADC_TempSensorVrefintCmd(ENABLE);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 **************************************************************/
ADC_Cmd(ADC1, ENABLE);
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConv(ADC1);
}
/*REFLEXSENSORS*/
void setup_ADC1_with_DMA2_NVIC( ){
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_GPIOCEN, ENABLE); // Clock for the ADC port!! Do not forget about this one ;)
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_StructInit(&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
//GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
// PA : Pin 0-7.
GPIO_InitStruct.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 |
GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7);
GPIO_Init(GPIOA, &GPIO_InitStruct);
// PB : 0-1.
GPIO_InitStruct.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1);
GPIO_Init(GPIOB, &GPIO_InitStruct);
// PC : 0-5.
GPIO_InitStruct.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 |
GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5);
GPIO_Init(GPIOC, &GPIO_InitStruct);
DMA_InitTypeDef DMA_InitStruct;
DMA_DeInit(DMA2_Stream0);
DMA_InitStruct.DMA_Channel = DMA_Channel_0;
DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStruct.DMA_Memory0BaseAddr = (uint32_t)&ADC_rawBuff[0];
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStruct.DMA_BufferSize = 16;
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStruct.DMA_Mode = DMA_Mode_Circular;
DMA_InitStruct.DMA_Priority = DMA_Priority_High;
DMA_InitStruct.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStruct.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStruct.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStruct);
DMA_ITConfig(DMA2_Stream0, DMA_IT_TC, ENABLE);
NVIC_InitTypeDef NVIC_InitStruct;
NVIC_InitStruct.NVIC_IRQChannel = DMA2_Stream0_IRQn;
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 4;
NVIC_InitStruct.NVIC_IRQChannelSubPriority = 4;
NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStruct);
DMA_Cmd(DMA2_Stream0, ENABLE);
ADC_DeInit( );
ADC_InitTypeDef ADC_InitStruct;
ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStruct.ADC_ScanConvMode = ENABLE;
ADC_InitStruct.ADC_ContinuousConvMode = ENABLE;
ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStruct.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStruct.ADC_NbrOfConversion = 16;
ADC_Init(ADC1, &ADC_InitStruct);
ADC_CommonInitTypeDef ADC_CommonStruct;
ADC_CommonStruct.ADC_Mode = ADC_Mode_Independent;
ADC_CommonStruct.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonStruct.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonStruct.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonStruct);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 4, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 7, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 8, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 9, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 10, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 11, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 12, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 13, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 14, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 15, ADC_SampleTime_28Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 16, ADC_SampleTime_28Cycles);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void initDMA(void)
{
ADC_InitTypeDef ADC_InitStruct;
ADC_CommonInitTypeDef ADC_CommonInitStruct;
DMA_InitTypeDef DMA_InitStruct;
GPIO_InitTypeDef GPIO_InitStruct;
/* Enable ADC3, DMA2 and GPIO clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);//ADC3 is connected to the APB2 peripheral bus
/* DMA2 Stream0 channel0 configuration **************************************/
DMA_InitStruct.DMA_Channel = DMA_Channel_2;
DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&ADC3->DR;//ADC3's data register
DMA_InitStruct.DMA_Memory0BaseAddr = (uint32_t)&ADC3ConvertedValue;
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStruct.DMA_BufferSize = 4;
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;//Reads 16 bit values
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;//Stores 16 bit values
DMA_InitStruct.DMA_Mode = DMA_Mode_Circular;
DMA_InitStruct.DMA_Priority = DMA_Priority_High;
DMA_InitStruct.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStruct.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStruct.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStruct.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStruct);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* Configure GPIO pins ******************************************************/
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;// PC0, PC1, PC2, PC3
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;//The pins are configured in analog mode
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL ;//We don't need any pull up or pull down
GPIO_Init(GPIOC, &GPIO_InitStruct);//Initialize GPIOC pins with the configuration
//GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1;//PA1
//GPIO_Init(GPIOA, &GPIO_InitStruct);//Initialize GPIOA pins with the configuration
/* ADC Common Init **********************************************************/
ADC_CommonInitStruct.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStruct.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStruct.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStruct.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStruct);
/* ADC3 Init ****************************************************************/
ADC_DeInit();
ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b;//Input voltage is converted into a 12bit int (max 4095)
ADC_InitStruct.ADC_ScanConvMode = ENABLE;//The scan is configured in multiple channels
ADC_InitStruct.ADC_ContinuousConvMode = ENABLE;//Continuous conversion: input signal is sampled more than once
ADC_InitStruct.ADC_ExternalTrigConv = 0;
ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right;//Data converted will be shifted to right
ADC_InitStruct.ADC_NbrOfConversion = 4;
ADC_Init(ADC3, &ADC_InitStruct);//Initialize ADC with the configuration
/* Select the channels to be read from **************************************/
ADC_RegularChannelConfig(ADC3, ADC_Channel_10, 1, ADC_SampleTime_144Cycles);//PC0
ADC_RegularChannelConfig(ADC3, ADC_Channel_11, 2, ADC_SampleTime_144Cycles);//PC1
ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 3, ADC_SampleTime_144Cycles);//PC2
ADC_RegularChannelConfig(ADC3, ADC_Channel_13, 4, ADC_SampleTime_144Cycles);//PC3
//ADC_RegularChannelConfig(ADC3, ADC_Channel_1, 5, ADC_SampleTime_144Cycles);//PA1
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC3, ENABLE);
/* Start ADC3 Software Conversion */
ADC_SoftwareStartConv(ADC3);
}
/*====================================================================================================*/
void ADC_Config( void )
{
DMA_InitTypeDef DMA_InitStruct;
GPIO_InitTypeDef GPIO_InitStruct;
ADC_InitTypeDef ADC_InitStruct;
ADC_CommonInitTypeDef ADC_CommonInitStruct;
/* Enable clock ******************************************************************/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
/* DMA Config ********************************************************************/
DMA_InitStruct.DMA_Channel = DMA_Channel_0;
DMA_InitStruct.DMA_PeripheralBaseAddr = ADC1_DR_ADDRESS;
DMA_InitStruct.DMA_Memory0BaseAddr = (uint32_t)&ADC_DMA_ConvBuf;
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStruct.DMA_BufferSize = ADC_BUF_CHENNAL * ADC_BUF_SIZE;
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStruct.DMA_Mode = DMA_Mode_Circular;
DMA_InitStruct.DMA_Priority = DMA_Priority_Medium;
DMA_InitStruct.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStruct.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStruct.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStruct.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream4, &DMA_InitStruct);
DMA_Cmd(DMA2_Stream4, ENABLE);
/* GPIO Config *******************************************************************/
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3;
GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1;
GPIO_Init(GPIOB, &GPIO_InitStruct);
/* ADC Common Config *************************************************************/
ADC_CommonInitStruct.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStruct.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStruct.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStruct.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_10Cycles;
ADC_CommonInit(&ADC_CommonInitStruct);
/* ADC Config ********************************************************************/
ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStruct.ADC_ScanConvMode = ENABLE;
ADC_InitStruct.ADC_ContinuousConvMode = ENABLE;
ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStruct.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStruct.ADC_NbrOfConversion = ADC_BUF_CHENNAL;
ADC_Init(ADC1, &ADC_InitStruct);
/* ADC Regular Config ************************************************************/
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_112Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 2, ADC_SampleTime_112Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 3, ADC_SampleTime_112Cycles);
/* ADC Enable ********************************************************************/
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
/******************************************************************************************
*函数名：ADC_Init()
* 参数：void
* 返回值：void
* 功能：ADC初始化配置
*********************************************************************************************/
void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
// RCC_Configuration();
// GPIO_Configuration();
// DMA_Configuration();
// ADC_Configuration();
// NVIC_Configuration();
/*------------------------ DMA1 configuration ------------------------------*/
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* DMA1 channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&ADC1->DR);
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&adc_value[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 4;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/*----------------- ADC1 configuration with DMA enabled --------------------*/
/* Enable the HSI oscillator */
RCC_HSICmd(ENABLE);
/* Enable GPIOB clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
/* Configure PB.12 (ADC Channel18) in analog mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOB, &GPIO_InitStructure);
BAT_MEASURE_RESET;
/* Check that HSI oscillator is ready */
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
/* Enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* ADC1 configuration */
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel18 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_18, 1, ADC_SampleTime_48Cycles);
/* Enable the request after last transfer for DMA Circular mode */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Wait until the ADC1 is ready */
while(ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
/* Start ADC1 Software Conversion */
// ADC_SoftwareStartConv(ADC1);
}
/**
* @brief 配置外接电池 ADC1检测的工作模式为DMA模式
* @param 无
* @retval 无
*/
static void ADC1_BATTEST_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* Enable DMA1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //ADC地址
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&Bat.ADC_BatConvertedValue; //内存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; //外设地址固定
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; //内存地址固定
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* note !!!ADC1 configuration */
ADC_StructInit(&ADC_InitStructure);
/* Enable ADC1 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 , ENABLE);
// ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立ADC模式
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE ; //关闭扫描模式
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; //关连续转换模式
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfConversion = 1; //要转换的通道数目
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9MHz*/
// RCC_ADCCLKConfig(RCC_PCLK2_Div8);
ADC_RegularChannelConfig(ADC1, ADC_Channel_27, 1, ADC_SampleTime_4Cycles);
/* Enable the request after last transfer for DMA Circular mode */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Wait until the ADC1 is ready */
while(ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
// ADC_SoftwareStartConv(ADC1);
}
void ADC_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
//开启ADC和GPIO相关时钟和初始化GPIO
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC|RCC_AHB1Periph_DMA2, ENABLE);//使能GPIOA时钟
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG |RCC_APB2Periph_ADC1, ENABLE); //使能ADC1时钟
//先初始化ADC1通道10-13 IO口
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3;//PC0-3 通道11-14
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;//模拟输入
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;//不带上下拉
GPIO_Init(GPIOC, &GPIO_InitStructure);//初始化
//初始化通用配置
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;//独立模式
ADC_CommonInitStructure.ADC_TwoSamplingDelay =
ADC_TwoSamplingDelay_5Cycles;//两个采样阶段之间的延迟5个时钟
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4;//预分频4分频。
ADC_CommonInit(&ADC_CommonInitStructure);//初始化
DMA_InitStructure.DMA_BufferSize = N*M;
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_Memory0BaseAddr = (u32)&AD_Value; //目标数据位
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;//DMA_MemoryInc_Enable
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_PeripheralBaseAddr =(uint32_t)ADC1_DR_Address; //ADC->DR地址
DMA_InitStructure.DMA_PeripheralBurst =DMA_PeripheralBurst_Single;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_Init(DMA2_Stream0,&DMA_InitStructure);
DMA_Cmd(DMA2_Stream0,ENABLE);
//初始化ADC1相关参数
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;//12位模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //DISABLE;//非扫描模式 //多通道模式使能
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//关闭连续转换
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
//禁止触发检测，使用软件触发
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//右对齐
ADC_InitStructure.ADC_NbrOfConversion = 3;//2个转换在规则序列中
ADC_Init(ADC1, &ADC_InitStructure);//ADC初始化
ADC_RegularChannelConfig(ADC1,ADC_Channel_11,1,ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADC1,ADC_Channel_12,2,ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADC1,ADC_Channel_13,3,ADC_SampleTime_480Cycles);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE); //if not have this function , can't get new value
ADC_DMACmd(ADC1, ENABLE); //make enable ADC1 WITH DMA2
//开启ADC转换
ADC_Cmd(ADC1, ENABLE);//开启AD转换器
ADC_SoftwareStartConv(ADC1); //使能指定的ADC1的软件转换启动功能
}
void fdi_adc_convert_continuous(
uint8_t *channels,
uint32_t channel_count,
volatile uint16_t *buffer_0,
volatile uint16_t *buffer_1,
uint32_t buffer_length,
fdi_adc_callback_t callback
) {
fdi_adc_dma_buffer_0 = buffer_0;
fdi_adc_dma_buffer_1 = buffer_1;
fdi_adc_dma_buffer_length = buffer_length;
fdi_adc_callback = callback;
/* Enable DMA2, thats where ADC is hooked on -> see Table 20 (RM00090) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
DMA_InitTypeDef dma_init;
DMA_StructInit(&dma_init);
dma_init.DMA_Channel = DMA_Channel_0;
dma_init.DMA_BufferSize = buffer_length;
dma_init.DMA_DIR = DMA_DIR_PeripheralToMemory;
dma_init.DMA_FIFOMode = DMA_FIFOMode_Disable;
dma_init.DMA_FIFOThreshold = 0;
dma_init.DMA_MemoryBurst = DMA_MemoryBurst_Single;
dma_init.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
dma_init.DMA_Mode = DMA_Mode_Circular;
dma_init.DMA_Priority = DMA_Priority_High;
dma_init.DMA_Memory0BaseAddr = (uint32_t)fdi_adc_dma_buffer_0;
dma_init.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
dma_init.DMA_MemoryInc = DMA_MemoryInc_Enable;
dma_init.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
dma_init.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
dma_init.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_Init(DMA2_Stream0, &dma_init);
DMA_DoubleBufferModeConfig(DMA2_Stream0, (uint32_t)fdi_adc_dma_buffer_1, DMA_Memory_0);
DMA_DoubleBufferModeCmd(DMA2_Stream0, ENABLE);
DMA_ClearITPendingBit(DMA2_Stream0, DMA_IT_TCIF0);
DMA_ITConfig(DMA2_Stream0, DMA_IT_TC, ENABLE);
DMA_Cmd(DMA2_Stream0, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
ADC_CommonInitTypeDef adc_common_init;
ADC_CommonStructInit(&adc_common_init);
ADC_CommonInit(&adc_common_init);
ADC_InitTypeDef adc_init;
ADC_StructInit(&adc_init);
adc_init.ADC_Resolution = ADC_Resolution_12b;
adc_init.ADC_ScanConvMode = ENABLE;
adc_init.ADC_ContinuousConvMode = ENABLE;
adc_init.ADC_ExternalTrigConvEdge = 0;
adc_init.ADC_ExternalTrigConv = 0;
adc_init.ADC_DataAlign = ADC_DataAlign_Right;
adc_init.ADC_NbrOfConversion = channel_count;
ADC_Init(ADC1, &adc_init);
/* Configure channels */
for (uint32_t i = 0; i < channel_count; ++i) {
uint32_t channel = channels[i];
ADC_RegularChannelConfig(ADC1, channel, i + 1, ADC_SampleTime_28Cycles);
}
// ADC Rate:
// Conversion Clocks = 28 sample cycles + 12 bit conversion cycles = 40 cycles
// Conversion Count = 1 high current range + 1 low current range
// ADC Clock Rate = 84 MHz
// 84 MHz / (40 cycles * 2) = 1.05 M samples per second
/* Enable ADC interrupts */
// ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
NVIC_InitTypeDef nvic_init;
nvic_init.NVIC_IRQChannel = DMA2_Stream0_IRQn;
nvic_init.NVIC_IRQChannelCmd = ENABLE;
nvic_init.NVIC_IRQChannelPreemptionPriority = 0x0F;
nvic_init.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_Init(&nvic_init);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void ad_init( void )
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef gpio_init;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOC, ENABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_ADC1, ENABLE );
gpio_init.GPIO_Mode = GPIO_Mode_AIN;
gpio_init.GPIO_Pin = GPIO_Pin_5;
GPIO_Init( GPIOC, &gpio_init );
gpio_init.GPIO_Pin = GPIO_Pin_1;
GPIO_Init( GPIOA, &gpio_init );
gpio_init.GPIO_Pin = GPIO_Pin_3;
GPIO_Init( GPIOC, &gpio_init );
// 3. ADC Common Init
/* ADC Common configuration *************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; /*在独立模式下 每个ADC接口独立工作*/
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1; // ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit( &ADC_CommonInitStructure );
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE; // if used multi channels set enable
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 3; // number of channel
ADC_Init( ADC1, &ADC_InitStructure );
// 4. DMA Config
/* DMA2 Stream0 channel0 configuration */
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ADC_ConValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 3;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init( DMA2_Stream0, &DMA_InitStructure );
/* DMA2_Stream0 enable */
DMA_Cmd( DMA2_Stream0, ENABLE );
/* ADC1 regular channel15 configuration *************************************/
ADC_RegularChannelConfig( ADC1, ADC_Channel_15, 1, ADC_SampleTime_56Cycles ); // 通道1 电池电量
/* ADC1 regular channel1 configuration *************************************/
ADC_RegularChannelConfig( ADC1, ADC_Channel_1, 2, ADC_SampleTime_56Cycles ); // 通道2 灰线
/* ADC1 regular channel13 configuration *************************************/
ADC_RegularChannelConfig( ADC1, ADC_Channel_13, 3, ADC_SampleTime_56Cycles ); // 通道3 绿线
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd( ADC1, ENABLE );
/* Enable ADC1 DMA */
ADC_DMACmd( ADC1, ENABLE );
/* Enable ADC3 */
ADC_Cmd( ADC1, ENABLE );
ADC_SoftwareStartConv( ADC1 );
}
void ADC_init_all()
{
//variables
DMA_InitTypeDef DMA_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_InitTypeDef ADC_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
//RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_GPIOCEN, ENABLE);
ADC_DeInit();
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_10Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 3;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_84Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_84Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_84Cycles);
// DMA
DMA_DeInit(DMA2_Stream4);//Can be used for ADC1
DMA_InitStructure.DMA_Channel = 0;//Can be used for ADC1
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t) &ADC1->DR;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t) &ADC_DMA_buffer; //DMA buffer Address
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;//From ADC to memory
DMA_InitStructure.DMA_BufferSize = 3;// 3
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream4, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream4, ENABLE);
while(DMA_GetCmdStatus(DMA2_Stream4)==DISABLE){};
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_ContinuousModeCmd(ADC1,ENABLE);
ADC_SoftwareStartConv(ADC1);
median_filter_init();
}
/**
* Configure analogue inputs using ADC3 and DMA2 stream 0
*/
void adcSetupDMA(uint16_t* dma){
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t channels = NOF_ADC_VALUES;
DMA_DeInit(DMA2_Stream0);
DMA_StructInit(&DMA_InitStructure);
/* Enable required clocks */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
/* DMA2 Stream0 channel0 configuration */
DMA_InitStructure.DMA_Channel = DMA_Channel_2;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&ADC3->DR);
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)dma;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = channels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Low;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* Configure ADC pins as analog inputs */
configureAnalogInput(GPIOC, GPIO_Pin_0);
configureAnalogInput(GPIOC, GPIO_Pin_1);
configureAnalogInput(GPIOC, GPIO_Pin_2);
configureAnalogInput(GPIOC, GPIO_Pin_3);
#if defined EXPRESSION_PEDAL
/* Configure expression pedal pin (PA2 or PA3) as analog input */
configureAnalogInput(EXPRESSION_PEDAL_RING_PORT, EXPRESSION_PEDAL_RING_PIN);
/* configureAnalogInput(GPIOA, GPIO_Pin_3); */
#endif
ADC_DeInit();
/* ADC Common Init */
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
/* ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_12Cycles; */
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC3 Init */
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = channels;
ADC_Init(ADC3, &ADC_InitStructure);
/* uint8_t sampletime = ADC_SampleTime_3Cycles; */
/* uint8_t sampletime = ADC_SampleTime_15Cycles; */
uint8_t sampletime = ADC_SampleTime_84Cycles;
/* ADC3 regular channel configuration */
/* Control Pots A-D, PC0-3 */
ADC_RegularChannelConfig(ADC3, ADC_Channel_10, 1, sampletime);
ADC_RegularChannelConfig(ADC3, ADC_Channel_11, 2, sampletime);
ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 3, sampletime);
ADC_RegularChannelConfig(ADC3, ADC_Channel_13, 4, sampletime);
#if defined EXPRESSION_PEDAL
/* Expression Pedal Input PA2/3, ADC123_IN2-3 */
ADC_RegularChannelConfig(ADC3, EXPRESSION_PEDAL_RING_CHANNEL, 5, sampletime);
/* ADC_RegularChannelConfig(ADC3, ADC_Channel_3, 5, sampletime); */
#endif
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC3, ENABLE);
/* Start ADC3 Software Conversion */
ADC_SoftwareStartConv(ADC3);
}
int main()
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint16_t PrescalerValue;
LED_Init();
LED_R_ON();
LLIO_Init(115200);
printf("\r\nPWM dimming\r\n");
/* Enable ADC, GPIO, Timer, DMA clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
/* DMA2 Channel0(ADC) configuration */
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address; // source
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)TIM3_CCR1_Address; // destination
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* TIM3_CH1(PB4-LED) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource4, GPIO_AF_TIM3);
/* ADC Common Init */
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4; // ADC clock = PCLK2/prescaler. ADC freq = typical 30MHz, Max 36MHz. PCLK2 = 168/2=84MHz.
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC channel 10 (PC0) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* ADC channel configuration */
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO; // TIM3의 트리거 발생시 ADC 수행
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel10 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_3Cycles);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Compute the prescaler value */
SystemCoreClockUpdate();
PrescalerValue = (uint16_t) (SystemCoreClock / 2 / TIMER_PRESCALER_FREQ) - 1; // timer base counter에 1MHz 입력
/* Time base configuration */
TIM_TimeBaseStructure.TIM_Period = PWM_WIDTH - 1;
TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
// TIM3 update 이벤트에서 트리거 발생하도록 설정 -> ADC trigger로 사용
TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_Update);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = DUTY_IDLE; // default 50%
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OC1Init(TIM3, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Disable);
/* TIM3 enable counter */
TIM_Cmd(TIM3, ENABLE);
while(1)
{
__WFI();
}
}
void Init_ADC_Reading(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA , ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
ADC_DeInit();
DMA_DeInit( DMA1_Stream0);
DMA_InitStructure.DMA_Channel = DMA_Channel_1;
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_CDR_Address; //Address of peripheral the DMA must map to
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC_ConvertedValueX;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA1_Stream0, &DMA_InitStructure);
DMA_ITConfig(DMA1_Stream0, DMA_IT_TCIF0, ENABLE);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init( ADC1, &ADC_InitStructure );
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_3Cycles);
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Stream0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/*
*********************************************************************************************************
* 函 数 名: bsp_InitADC
* 功能说明: ADC初始化
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void bsp_InitADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* 使能外设时钟 */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* DMA2 Stream0 channel0 配置-------------------------------------------------- */
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = SAMPDEPTH;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
/* DMA2_Stream0 使能 */
DMA_Cmd(DMA2_Stream0, ENABLE);
DMA_ITConfig(DMA2_Stream0,DMA_IT_TC,ENABLE); //使能DMA2 Stream0中断
/* NVIC configuration*/
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/****************************************************************************
PPCLK2 = HCLK / 2
下面选择的是2分频
ADCCLK = PCLK2 /8 = HCLK / 8 = 168 / 8 = 21M
ADC采样频率： Sampling Time + Conversion Time = 480 + 12 cycles = 492cyc
Conversion Time = 21MHz / 492cyc = 42.6ksps.
*****************************************************************************/
/* ADC Common 配置 ----------------------------------------------------------*/
ADC_CommonInitStructure.ADC_Mode = ADC_TripleMode_RegSimult;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC1 规则通道配置 ---------------------------------------------------------*/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 规则通道16配置 -----------------------------------------------------------*/
//ADC_RegularChannelConfig(ADC1, ADC_Channel_TempSensor, 2, ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_15Cycles);
//ADC_ExternalTrigInjectedConvConfig(ADC1,ADC_ExternalTrigInjecConv_T2_TRGO); //打开ADC1外部触发
/* ADC1 注入通道10配置 -----------------------------------------------------------*/
//ADC_InjectedChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_15Cycles);
/* 使能温度检测 */
//ADC_TempSensorVrefintCmd(ENABLE);
/* 使能 ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* 完成最后一个ADC传输后使能DMA请求(单ADC模式) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* 使能 ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* 软件启动ADC1转换 */
//ADC_SoftwareStartConv(ADC1);
}
/**
* @brief ADC3 channel07 with DMA configuration
* @note This function Configure the ADC peripheral
1) Enable peripheral clocks
2) DMA2_Stream0 channel2 configuration
3) Configure ADC Channel7 pin as analog input
4) Configure ADC3 Channel7
* @param None
* @retval None
*/
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable ADCx, DMA and GPIO clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);
DMA_InitStructure.DMA_Channel = DMA_Channel_0 ;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(ADC1_BASE+0x4C);
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)uhADCxConvertedValue;//change
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 6;//change
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;//change
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5);//change
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_Init(GPIOA,&GPIO_InitStructure);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode =ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//change
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 6;//change
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel1 configuration **************************************/
//ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_3Cycles);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_3Cycles);//change
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_3Cycles);//change
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_3Cycles);//change
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 4, ADC_SampleTime_3Cycles);//change
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SampleTime_3Cycles);//change
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_3Cycles);//change
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
/*
*********************************************************************************************************
* 函 数 名: bsp_InitADC
* 功能说明: ADC初始化
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void bsp_InitADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* 配置模拟看门狗中断NVIC */
NVIC_InitStructure.NVIC_IRQChannel = ADC_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* 使能 ADC1, ADC2, DMA2 和 GPIO 时钟 ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 |
RCC_APB2Periph_ADC3, ENABLE);
/* DMA2 Stream1 channel1 配置用于ADC3 **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_2;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC3_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC3ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = Sample_Num;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream1, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream1, ENABLE);
/* DMA2 Stream2 channel1 配置用于ADC2 **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_1;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC2_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC2ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = Sample_Num;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream2, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream2, ENABLE);
/* DMA2 Stream0 channel0 配置用于ADC1 **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC1ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = Sample_Num;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* 配置ADC引脚为模拟输入模式******************************/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*
***************************************************************************
PCLK2 = HCLK / 2
下面选择的是2分频
ADCCLK = PCLK2 /2 = HCLK / 4 = 168 / 4 = 42M
ADC采样频率： Sampling Time + Conversion Time = 3 + 12 cycles = 15cyc
Conversion Time = 42MHz / 15cyc = 2.8Mbps.
****************************************************************************
*/
/* ADC公共部分初始化**********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInit(&ADC_CommonInitStructure);
/////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
/*ADC3的配置*****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_10b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC3;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
/* ADC3 规则通道配置 */
ADC_Init(ADC3, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC3, ADC_Channel_10, 1, ADC_SampleTime_3Cycles);
/* 使能 ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* 配置模拟看门狗的阀值 注意别配置反了，要不一直进入中断 */
ADC_AnalogWatchdogThresholdsConfig(ADC3, 4095, 0);
/* 配置模拟看门狗监测ADC3的通道10 */
ADC_AnalogWatchdogSingleChannelConfig(ADC3, ADC_Channel_10);
/* 使能一个规则通道的看门狗 */
ADC_AnalogWatchdogCmd(ADC3, ADC_AnalogWatchdog_SingleRegEnable);
/* 使能模拟看门狗中断 */
ADC_ITConfig(ADC3, ADC_IT_AWD, ENABLE);
/* 使能DMA请求 (多ADC模式) --------------------------------------------------*/
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC1 --------------------------------------------------------------*/
ADC_Cmd(ADC3, ENABLE);
/////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
/*ADC2的配置*****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_10b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC2;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
/* ADC2 规则通道配置 */
ADC_Init(ADC2, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC2, ADC_Channel_10, 1, ADC_SampleTime_3Cycles);
/* 使能 ADC2 DMA */
ADC_DMACmd(ADC2, ENABLE);
/* 使能DMA请求 (多ADC模式) */
ADC_DMARequestAfterLastTransferCmd(ADC2, ENABLE);
/* 使能 ADC2 */
ADC_Cmd(ADC2, ENABLE);
/////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////
/*ADC1的配置******************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_10b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
/* ADC1 规则通道配置 -------------------------------------------------------*/
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_3Cycles);
/* 使能 ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* 使能DMA请求 (多ADC模式) --------------------------------------------------*/
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 --------------------------------------------------------------*/
ADC_Cmd(ADC1, ENABLE);
/**定时器配置********************************************************************/
TIM1_Config();
}
void AdcInitialise(void)
{
/* ADC1 configuration *******************************************************/
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable ADC1, DMA2 and GPIO clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA
| RCC_AHB1Periph_GPIOB, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* DMA2 Stream0 channel0 configuration **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&ADCx->DR);
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADCx_Buffer;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = ADCx_BUFFER_SIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* Configure ADC1 Channel12 pin as analog input ******************************/
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC1 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 4;
ADC_Init(ADCx, &ADC_InitStructure);
/* ADC1 regular channel configuration *************************************/
ADC_RegularChannelConfig(ADCx, ADC_Channel_1, 1, ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADCx, ADC_Channel_2, 2, ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADCx, ADC_Channel_8, 3, ADC_SampleTime_480Cycles);
ADC_RegularChannelConfig(ADCx, ADC_Channel_3, 4, ADC_SampleTime_480Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADCx, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADCx, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADCx, ENABLE);
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConv(ADCx);
}
void ADC3_CH12_DMA_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable ADC3, DMA2 and GPIO clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
/* DMA2 Stream0 channel0 configuration **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_2;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC3_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&testInput[0];
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = ilosc_probek;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
/* Configure ADC3 Channel12 pin as analog input ******************************/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div6;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
//ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC3 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; //ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T3_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC3, &ADC_InitStructure);
/* ADC3 regular channel12 configuration *************************************/
ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 1, ADC_SampleTime_3Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC3, ENABLE);
//ADC_SoftwareStartConv(ADC3); KA�KA �LE M�WI�A
}
int hal_adc_open(HAL_ADC_HANDLE *handle, void *params)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
UNUSED(params);
/* DMA2_Stream0 channel0 configuration **************************************/
DMA_DeInit(DMA2_Stream0);
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)convertedValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
/* DMA2_Stream0 enable */
DMA_Cmd(DMA2_Stream0, ENABLE);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC1 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* ADC1 regular channel18 (VBAT) configuration ******************************/
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_480Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
/* Enable ADC1 **************************************************************/
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
*handle = (void *)convertedValues;
return HAL_ADC_E_SUCCESS;
}
void adc_configure(){
ADC_InitTypeDef ADC_init_structure;
GPIO_InitTypeDef GPIO_initStructre;
DMA_InitTypeDef DMA_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
// Clock configuration
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_GPIOAEN,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
// Analog pin configuration ADC1->PA1, ADC2->PA2
GPIO_initStructre.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
GPIO_initStructre.GPIO_Mode = GPIO_Mode_AN;
GPIO_initStructre.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA,&GPIO_initStructre);
// ADC structure configuration
ADC_DeInit();
ADC_init_structure.ADC_DataAlign = ADC_DataAlign_Left;
ADC_init_structure.ADC_Resolution = ADC_Resolution_12b;
ADC_init_structure.ADC_ContinuousConvMode = DISABLE;
ADC_init_structure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T2_TRGO;
ADC_init_structure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
ADC_init_structure.ADC_NbrOfConversion = 1;
ADC_init_structure.ADC_ScanConvMode = DISABLE;
ADC_Init(ADCx,&ADC_init_structure);
// Select the channel to be read from
ADC_RegularChannelConfig(ADCx,ADC_Channel_3,1,ADC_SampleTime_144Cycles);
/* DMA configuration **************************************/
DMA_DeInit(DMA_STREAMx);
DMA_InitStructure.DMA_Channel = DMA_CHANNELx;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADCx_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)adc_buf;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = ADC_BUF_SZ;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA_STREAMx, &DMA_InitStructure);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADCx, ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADCx, ENABLE);
/* DMA2_Stream0 enable */
DMA_Cmd(DMA_STREAMx, ENABLE);
/* Enable DMA Half & Complete interrupts */
DMA_ITConfig(DMA2_Stream0, DMA_IT_TC | DMA_IT_HT, ENABLE);
/* Enable the DMA Stream IRQ Channel */
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// Enable and start ADC conversion
ADC_Cmd(ADC1,ENABLE);
ADC_SoftwareStartConv(ADC1);
}
void adcInit(drv_adc_config_t *init)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
#if !defined(VBAT_ADC_PIN) && !defined(EXTERNAL1_ADC_PIN) && !defined(RSSI_ADC_PIN) && !defined(CURRENT_METER_ADC_PIN)
UNUSED(init);
#endif
#ifdef VBAT_ADC_PIN
if (init->enableVBat) {
IOInit(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(VBAT_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_BATTERY].adcChannel = VBAT_ADC_CHANNEL;
adcConfig[ADC_BATTERY].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_BATTERY].enabled = true;
adcConfig[ADC_BATTERY].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef EXTERNAL1_ADC_PIN
if (init->enableExternal1) {
IOInit(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(EXTERNAL1_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_EXTERNAL1].adcChannel = EXTERNAL1_ADC_CHANNEL;
adcConfig[ADC_EXTERNAL1].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_EXTERNAL1].enabled = true;
adcConfig[ADC_EXTERNAL1].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef RSSI_ADC_PIN
if (init->enableRSSI) {
IOInit(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(RSSI_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_RSSI].adcChannel = RSSI_ADC_CHANNEL;
adcConfig[ADC_RSSI].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_RSSI].enabled = true;
adcConfig[ADC_RSSI].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
#ifdef CURRENT_METER_ADC_PIN
if (init->enableCurrentMeter) {
IOInit(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), OWNER_SYSTEM, RESOURCE_ADC);
IOConfigGPIO(IOGetByTag(IO_TAG(CURRENT_METER_ADC_PIN)), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcConfig[ADC_CURRENT].adcChannel = CURRENT_METER_ADC_CHANNEL;
adcConfig[ADC_CURRENT].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CURRENT].enabled = true;
adcConfig[ADC_CURRENT].sampleTime = ADC_SampleTime_480Cycles;
}
#endif
//RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
DMA_DeInit(DMA2_Stream4);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_Channel = DMA_Channel_0;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_Init(DMA2_Stream4, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream4, ENABLE);
// calibrate
/*
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET);
ADC_VoltageRegulatorCmd(ADC1, DISABLE);
*/
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = configuredAdcChannels;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE; // 1=scan more that one channel in group
ADC_Init(ADC1, &ADC_InitStructure);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(ADC1, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
}
ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConv(ADC1);
}
